A set of Neutron drivers for the VMware NSX.
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# Copyright 2016 VMware, Inc.
# All Rights Reserved
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_config import cfg
from oslo_log import log as logging
from vmware_nsx._i18n import _
from vmware_nsx.common import availability_zones as common_az
from vmware_nsx.common import config
from vmware_nsx.common import exceptions as nsx_exc
from vmware_nsx.common import utils as c_utils
DEFAULT_NAME = common_az.DEFAULT_NAME
LOG = logging.getLogger(__name__)
class NsxVAvailabilityZone(common_az.ConfiguredAvailabilityZone):
def init_from_config_line(self, config_line):
values = config_line.split(':')
if len(values) < 4 or len(values) > 5:
raise nsx_exc.NsxInvalidConfiguration(
opt_name="availability_zones",
opt_value=config_line,
reason=_("Expected 4 or 5 values per zone"))
self.resource_pool = values[1]
self.datastore_id = values[2]
# validate the edge_ha
if values[3].lower() == "true":
self.edge_ha = True
elif values[3].lower() == "false":
self.edge_ha = False
else:
raise nsx_exc.NsxInvalidConfiguration(
opt_name="availability_zones",
opt_value=config_line,
reason=_("Expected the 4th value to be true/false"))
# HA datastore id is relevant only with edge_ha
if not self.edge_ha and len(values) == 5:
raise nsx_exc.NsxInvalidConfiguration(
opt_name="availability_zones",
opt_value=config_line,
reason=_("Expected HA datastore ID only when edge_ha is "
"enabled"))
self.ha_datastore_id = values[4] if len(values) == 5 else None
# Some parameters are not supported in this format.
# using the global ones instead.
self.ha_placement_random = cfg.CONF.nsxv.ha_placement_random
self.datacenter_moid = cfg.CONF.nsxv.datacenter_moid
self.backup_edge_pool = cfg.CONF.nsxv.backup_edge_pool
self.external_network = cfg.CONF.nsxv.external_network
self.vdn_scope_id = cfg.CONF.nsxv.vdn_scope_id
self.dvs_id = cfg.CONF.nsxv.dvs_id
self.edge_host_groups = cfg.CONF.nsxv.edge_host_groups
self.exclusive_dhcp_edge = cfg.CONF.nsxv.exclusive_dhcp_edge
self.bind_floatingip_to_all_interfaces = (
cfg.CONF.nsxv.bind_floatingip_to_all_interfaces)
# No support for metadata per az
self.az_metadata_support = False
self.mgt_net_moid = None
self.mgt_net_proxy_ips = []
self.mgt_net_proxy_netmask = None
self.mgt_net_default_gateway = None
def init_from_config_section(self, az_name):
az_info = config.get_nsxv_az_opts(az_name)
self.resource_pool = az_info.get('resource_pool_id')
if not self.resource_pool:
raise nsx_exc.NsxInvalidConfiguration(
opt_name="resource_pool_id",
opt_value='None',
reason=(_("resource_pool_id for availability zone %s "
"must be defined") % az_name))
self.datastore_id = az_info.get('datastore_id')
if not self.datastore_id:
raise nsx_exc.NsxInvalidConfiguration(
opt_name="datastore_id",
opt_value='None',
reason=(_("datastore_id for availability zone %s "
"must be defined") % az_name))
self.edge_ha = az_info.get('edge_ha', False)
# The HA datastore can be empty
self.ha_datastore_id = (az_info.get('ha_datastore_id')
if self.edge_ha else None)
if self.ha_datastore_id and not self.edge_ha:
raise nsx_exc.NsxInvalidConfiguration(
opt_name="ha_datastore_id",
opt_value=self.ha_datastore_id,
reason=_("Expected HA datastore ID only when edge_ha is "
"enabled for availability zone %s") % az_name)
# The optional parameters will get the global values if not
# defined for this AZ
self.ha_placement_random = az_info.get('ha_placement_random')
if self.ha_placement_random is None:
self.ha_placement_random = (
cfg.CONF.nsxv.ha_placement_random)
self.datacenter_moid = az_info.get('datacenter_moid')
if not self.datacenter_moid:
self.datacenter_moid = cfg.CONF.nsxv.datacenter_moid
self.backup_edge_pool = az_info.get('backup_edge_pool', [])
if not self.backup_edge_pool:
self.backup_edge_pool = cfg.CONF.nsxv.backup_edge_pool
self.external_network = az_info.get('external_network')
if not self.external_network:
self.external_network = cfg.CONF.nsxv.external_network
self.vdn_scope_id = az_info.get('vdn_scope_id')
if not self.vdn_scope_id:
self.vdn_scope_id = cfg.CONF.nsxv.vdn_scope_id
self.dvs_id = az_info.get('dvs_id')
if not self.dvs_id:
self.dvs_id = cfg.CONF.nsxv.dvs_id
self.edge_host_groups = az_info.get('edge_host_groups', [])
if not self.edge_host_groups:
self.edge_host_groups = cfg.CONF.nsxv.edge_host_groups
self.exclusive_dhcp_edge = az_info.get('exclusive_dhcp_edge', False)
self.bind_floatingip_to_all_interfaces = az_info.get(
'bind_floatingip_to_all_interfaces', False)
# Support for metadata per az only if configured, and different
# from the global one
self.mgt_net_proxy_ips = az_info.get('mgt_net_proxy_ips')
if self.mgt_net_proxy_ips:
# make sure there are no over lapping ips with the
# global configuration
if (set(self.mgt_net_proxy_ips) &
set(cfg.CONF.nsxv.mgt_net_proxy_ips)):
raise nsx_exc.NsxInvalidConfiguration(
opt_name="mgt_net_proxy_ips",
opt_value='None',
reason=(_("mgt_net_proxy_ips for availability zone "
"%s must be different from global one") %
az_name))
self.az_metadata_support = True
self.mgt_net_moid = az_info.get('mgt_net_moid')
if not self.mgt_net_moid:
self.mgt_net_moid = cfg.CONF.nsxv.mgt_net_moid
self.mgt_net_proxy_netmask = az_info.get(
'mgt_net_proxy_netmask')
if not self.mgt_net_proxy_netmask:
self.mgt_net_proxy_netmask = (
cfg.CONF.nsxv.mgt_net_proxy_netmask)
self.mgt_net_default_gateway = az_info.get(
'mgt_net_default_gateway')
if not self.mgt_net_default_gateway:
self.mgt_net_default_gateway = (
cfg.CONF.nsxv.mgt_net_default_gateway)
else:
self.az_metadata_support = False
self.mgt_net_moid = None
self.mgt_net_proxy_ips = []
self.mgt_net_proxy_netmask = None
self.mgt_net_default_gateway = None
def init_defaults(self):
# use the default configuration
self.resource_pool = cfg.CONF.nsxv.resource_pool_id
self.datastore_id = cfg.CONF.nsxv.datastore_id
self.edge_ha = cfg.CONF.nsxv.edge_ha
self.ha_datastore_id = cfg.CONF.nsxv.ha_datastore_id
self.ha_placement_random = cfg.CONF.nsxv.ha_placement_random
self.datacenter_moid = cfg.CONF.nsxv.datacenter_moid
self.backup_edge_pool = cfg.CONF.nsxv.backup_edge_pool
self.az_metadata_support = True
self.mgt_net_moid = cfg.CONF.nsxv.mgt_net_moid
self.mgt_net_proxy_ips = cfg.CONF.nsxv.mgt_net_proxy_ips
self.mgt_net_proxy_netmask = cfg.CONF.nsxv.mgt_net_proxy_netmask
self.mgt_net_default_gateway = (
cfg.CONF.nsxv.mgt_net_default_gateway)
self.external_network = cfg.CONF.nsxv.external_network
self.vdn_scope_id = cfg.CONF.nsxv.vdn_scope_id
self.dvs_id = cfg.CONF.nsxv.dvs_id
self.edge_host_groups = cfg.CONF.nsxv.edge_host_groups
self.exclusive_dhcp_edge = cfg.CONF.nsxv.exclusive_dhcp_edge
self.bind_floatingip_to_all_interfaces = (
cfg.CONF.nsxv.bind_floatingip_to_all_interfaces)
def supports_metadata(self):
# Return True if this az has it's own metadata configuration
# If False - it uses the global metadata (if defined)
return self.az_metadata_support
def _validate_opt_connectivity(self, cluster_info, cluster_field,
az_value):
for obj in cluster_info.get(cluster_field, []):
if obj['id'] == az_value:
return True
return False
def validate_az_connectivity(self, vcns):
info = vcns.get_tz_connectivity_info(self.vdn_scope_id)
if not info or not info.get('clustersInfo'):
LOG.warning("Couldn't get TZ %s connectivity information to "
"validate the configuration", self.vdn_scope_id)
return
LOG.info("Validating connectivity of availability zone %s With TZ %s, "
"clusters %s, DVS %s external net %s and mdproxy net %s",
self.name, self.vdn_scope_id, cfg.CONF.nsxv.cluster_moid,
self.dvs_id, self.external_network, self.mgt_net_moid)
# Look for each configured cluster
ext_net_connected = False
mgt_net_connected = False
dvs_connected = False
for configured_cluster in cfg.CONF.nsxv.cluster_moid:
found_cluster = False
for cluster_info in info['clustersInfo']:
if cluster_info.get('clusterId') == configured_cluster:
found_cluster = True
# Validate the external network:
external_net_standard = self._validate_opt_connectivity(
cluster_info, 'standardNetworks',
self.external_network)
external_net_portgroup = self._validate_opt_connectivity(
cluster_info, 'distributedVirtualPortGroups',
self.external_network)
if external_net_standard or external_net_portgroup:
ext_net_connected = True
# Validate mgt_net_moid
if self.mgt_net_moid:
mgt_net_standard = self._validate_opt_connectivity(
cluster_info, 'standardNetworks',
self.mgt_net_moid)
mgt_net_portgroup = self._validate_opt_connectivity(
cluster_info, 'distributedVirtualPortGroups',
self.mgt_net_moid)
if mgt_net_standard or mgt_net_portgroup:
mgt_net_connected = True
# Validate DVS
if self.dvs_id and self._validate_opt_connectivity(
cluster_info, 'distributedVirtualSwitches',
self.dvs_id):
dvs_connected = True
break
# Didn't find the edge cluster
if not found_cluster:
reason = (_("Edge cluster %(ec)s is not connected "
"to vdn_scope_id %(val)s in AZ %(az)s") % {
'ec': configured_cluster,
'val': self.vdn_scope_id,
'az': self.name})
if cfg.CONF.nsxv.init_validation:
raise nsx_exc.NsxInvalidConfiguration(
opt_name='vdn_scope_id', opt_value=self.vdn_scope_id,
reason=reason)
LOG.warning(reason)
if self.external_network and not ext_net_connected:
reason = (_("Edge cluster %(ec)s is not connected "
"to external network %(val)s in AZ "
"%(az)s") % {
'ec': cfg.CONF.nsxv.cluster_moid,
'val': self.external_network,
'az': self.name})
if cfg.CONF.nsxv.init_validation:
raise nsx_exc.NsxInvalidConfiguration(
opt_name='external_network',
opt_value=self.external_network,
reason=reason)
LOG.warning(reason)
if self.mgt_net_moid and not mgt_net_connected:
reason = (_("Edge cluster %(ec)s is not "
"connected to mgt_net_moid %(val)s "
"in AZ %(az)s") % {
'ec': cfg.CONF.nsxv.cluster_moid,
'val': self.mgt_net_moid,
'az': self.name})
if cfg.CONF.nsxv.init_validation:
raise nsx_exc.NsxInvalidConfiguration(
opt_name='mgt_net_moid',
opt_value=self.mgt_net_moid,
reason=reason)
LOG.warning(reason)
if self.dvs_id and not dvs_connected:
reason = (_("Edge cluster %(ec)s is not connected "
"to dvs_id %(val)s in AZ %(az)s") % {
'ec': cfg.CONF.nsxv.cluster_moid,
'val': self.dvs_id,
'az': self.name})
if cfg.CONF.nsxv.init_validation:
raise nsx_exc.NsxInvalidConfiguration(
opt_name='dvs_id', opt_value=self.dvs_id,
reason=reason)
LOG.warning(reason)
class NsxVAvailabilityZones(common_az.ConfiguredAvailabilityZones):
def __init__(self, use_tvd_config=False):
if use_tvd_config:
default_azs = cfg.CONF.nsx_tvd.nsx_v_default_availability_zones
else:
default_azs = cfg.CONF.default_availability_zones
super(NsxVAvailabilityZones, self).__init__(
cfg.CONF.nsxv.availability_zones,
NsxVAvailabilityZone,
default_availability_zones=default_azs)
def get_inventory(self):
"""Return a set of relevant resources in all the availability zones
"""
resources = set()
for az in self.list_availability_zones_objects():
if az.resource_pool:
resources.add(az.resource_pool)
if az.datastore_id:
resources.add(az.datastore_id)
if az.ha_datastore_id:
resources.add(az.ha_datastore_id)
return resources
def get_unique_non_default_param(self, param_name):
"""Return a set of all configured values of one of az params
Ignore the value of the default AZ
"""
resources = set()
default_val = None
for az in self.list_availability_zones_objects():
az_val = getattr(az, param_name)
if az.is_default():
default_val = az_val
elif az_val:
resources.add(az_val)
# remove the default value
if default_val:
resources.discard(default_val)
return resources
def get_additional_vdn_scope(self):
return self.get_unique_non_default_param("vdn_scope_id")
def get_additional_mgt_net(self):
return self.get_unique_non_default_param("mgt_net_moid")
def get_additional_ext_net(self):
return self.get_unique_non_default_param("external_network")
def get_additional_datacenter(self):
return self.get_unique_non_default_param("datacenter_moid")
def get_additional_dvs_ids(self):
return self.get_unique_non_default_param("dvs_id")
def validate_connectivity(self, vcns):
if (not c_utils.is_nsxv_version_6_4_6(vcns.get_version()) or
not cfg.CONF.nsxv.cluster_moid):
return
for az in self.list_availability_zones_objects():
az.validate_az_connectivity(vcns)